orderservlet.java

点餐系统 非常好的 jsp mysql 我也是别人那里下载来的

package Controler;
import DAO.OrderDAO;
import Entity.*;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Date;
import java.text.SimpleDateFormat;
import java.util.HashMap;
import java.util.Iterator;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class OrderServlet extends HttpServlet {	
	public OrderServlet() {
		super();
	}
	public void destroy() {
		super.destroy(); 	
	}	
	public void service(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {	      
       String content="";    
       System.out.println("ininininin444444444444444444444");
      if(request.getSession().getAttribute("cart")!=null)
      {
    	  System.out.println("ininininin4444444444444444444443333333333");
        HashMap hash=(HashMap)request.getSession().getAttribute("cart");     
      
       Iterator keys=hash.keySet().iterator();//将键的集合转换成枚举类型    
       float allsum=0f;
       while(keys.hasNext()==true)
       { 
    	 
           GoodsBean gbean=(GoodsBean)hash.get(keys.next());
           content+=gbean.getGname()+","+gbean.getNumber();
           content+=";"; 
           System.out.println("ininininin4444444444444444444443333333333"+content);
           allsum+=gbean.getGprice()*gbean.getNumber();
    	   
        }
       //到达时间
       String arrivetime=request.getParameter("time");
       System.out.println("ininininin8888888888888888777777"+arrivetime);
       //支付方式
       String payment=request.getParameter("payment");
       System.out.println("ininininin8888888888888888"+payment);
     
        System.out.println("4444444444444"+  request.getAttribute("money"));
       if(arrivetime!=null&&payment!=null&&allsum>0&&request.getSession().getAttribute("login")!=null)
       {
    	   System.out.println("ininininin");
    	
    	   UserBean user=(UserBean)request.getSession().getAttribute("login");
    	   OrderDAO order=new OrderDAO();
           //Date time=new Date(0);
           //java.text.SimpleDateFormat sim=new SimpleDateFormat("yyyy:mm:dd:hh:MM:ss");
           //sim.format(time);
           String sql="insert into [Order](ocontent,ouid,Oarrivetime,Oway,Oallmoney) values('"+
           content+"','"+user.getUid()+"','"+arrivetime+"','"+payment+"',"+allsum+")";
           System.out.println("odersql="+sql);
           if(order.AddOrder(sql)>0)
           {
        	   String sql1="update UserInfo set Usonum="+allsum*10+" where uid="+user.getUid();        	   
        	   request.getSession().setAttribute("msg", "订单提交成功！");
        	   response.sendRedirect("/Project_Food/Cart.jsp");
           }         
         
       }
   
      }
   
	}

	

	public void init() throws ServletException {
		
	}

}